an amount added to make something up to the full quantity, capacity, or amount
(used before a noun) used to increase a sum of money set aside for a specific purpose
top-up fees
| 单词 | top-up |
| 释义 | top-upnounan amount added to make something up to the full quantity, capacity, or amount (used before a noun) used to increase a sum of money set aside for a specific purpose top-up fees |
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